Fluid · Front Differential
Front Differential
for 2020 GMC Sierra 2500HD 6.6L V8 L8T · 4WD
Fluid Type
75W-90 synthetic gear oil
Spec: GM Part No. 12378396
Capacity
3.7qt
3.5 L
Drain & Refill
3.7 qt
3.5 L
Change Interval
45,000 mi
72,405 km
Data quality
Book-style estimate
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Notes
9.76-inch front differential on 4WD models
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